/*
 * @Author: chen haoxuan
 * @Date: 2021-05-04 20:21:17
 * @LastEditTime: 2021-05-04 20:39:03
 */
//* 带参数的构造函数
#include <iostream>
using namespace std;
class Box
{
public:
    Box(int, int, int);
    int volume();

private:
    int height;
    int width;
    int length;
};
Box::Box(int h, int w, int len)
{
    height = h;
    width = w;
    length = len;
}
int Box::volume()
{
    return (height*width*length);
}
int main()
{
    Box box1(12,25,30);
    cout<<"The volume of box1 is "<<box1.volume()<<endl;
    Box box2(15,30,21);
    cout<<"The volume of box2 is "<<box2.volume()<<endl;
    system("pause");
}